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authorFelix Fietkau <nbd@openwrt.org>2010-10-25 23:51:00 +0000
committerFelix Fietkau <nbd@openwrt.org>2010-10-25 23:51:00 +0000
commit6c73dd781eaeeffd8e859ccffdea0a7d8ade63f7 (patch)
treebfe2ac5e8cb80bd00ea16def8c5d19975ec5cbec /package
parent240bc2d78869f14add6c8b7a40c51e7c79c16b56 (diff)
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mac80211: add support for setting the multicast rate for ibss
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23635 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package')
-rw-r--r--package/mac80211/patches/580-cfg80211_ibss_mcast_rate.patch58
-rw-r--r--package/mac80211/patches/581-mac80211_ibss_mcast_rate.patch106
2 files changed, 164 insertions, 0 deletions
diff --git a/package/mac80211/patches/580-cfg80211_ibss_mcast_rate.patch b/package/mac80211/patches/580-cfg80211_ibss_mcast_rate.patch
new file mode 100644
index 0000000000..7ec4ce49d7
--- /dev/null
+++ b/package/mac80211/patches/580-cfg80211_ibss_mcast_rate.patch
@@ -0,0 +1,58 @@
+--- a/include/linux/nl80211.h
++++ b/include/linux/nl80211.h
+@@ -804,6 +804,8 @@ enum nl80211_commands {
+ * @NL80211_ATTR_SUPPORT_IBSS_RSN: The device supports IBSS RSN, which mostly
+ * means support for per-station GTKs.
+ *
++ * @NL80211_ATTR_MCAST_RATE: Multicast tx rate (in 100 kbps) for IBSS
++ *
+ * @NL80211_ATTR_MAX: highest attribute number currently defined
+ * @__NL80211_ATTR_AFTER_LAST: internal use
+ */
+@@ -973,6 +975,8 @@ enum nl80211_attrs {
+
+ NL80211_ATTR_SUPPORT_IBSS_RSN,
+
++ NL80211_ATTR_MCAST_RATE,
++
+ /* add attributes here, update the policy in nl80211.c */
+
+ __NL80211_ATTR_AFTER_LAST,
+--- a/include/net/cfg80211.h
++++ b/include/net/cfg80211.h
+@@ -924,6 +924,7 @@ struct cfg80211_disassoc_request {
+ * @privacy: this is a protected network, keys will be configured
+ * after joining
+ * @basic_rates: bitmap of basic rates to use when creating the IBSS
++ * @mcast_rate: multicast tx rate (in 100 kbps)
+ */
+ struct cfg80211_ibss_params {
+ u8 *ssid;
+@@ -935,6 +936,7 @@ struct cfg80211_ibss_params {
+ u32 basic_rates;
+ bool channel_fixed;
+ bool privacy;
++ int mcast_rate;
+ };
+
+ /**
+--- a/net/wireless/nl80211.c
++++ b/net/wireless/nl80211.c
+@@ -167,6 +167,7 @@ static const struct nla_policy nl80211_p
+ [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
+ [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
+ [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
++ [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
+ };
+
+ /* policy for the key attributes */
+@@ -3652,6 +3653,9 @@ static int nl80211_join_ibss(struct sk_b
+ return -EINVAL;
+ }
+ }
++ if (info->attrs[NL80211_ATTR_MCAST_RATE])
++ ibss.mcast_rate =
++ nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
+
+ if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
+ connkeys = nl80211_parse_connkeys(rdev,
diff --git a/package/mac80211/patches/581-mac80211_ibss_mcast_rate.patch b/package/mac80211/patches/581-mac80211_ibss_mcast_rate.patch
new file mode 100644
index 0000000000..07ba6f096e
--- /dev/null
+++ b/package/mac80211/patches/581-mac80211_ibss_mcast_rate.patch
@@ -0,0 +1,106 @@
+--- a/net/mac80211/ibss.c
++++ b/net/mac80211/ibss.c
+@@ -914,6 +914,7 @@ int ieee80211_ibss_join(struct ieee80211
+
+ sdata->u.ibss.privacy = params->privacy;
+ sdata->u.ibss.basic_rates = params->basic_rates;
++ sdata->vif.bss_conf.mcast_rate = params->mcast_rate;
+
+ sdata->vif.bss_conf.beacon_int = params->beacon_interval;
+
+--- a/include/net/mac80211.h
++++ b/include/net/mac80211.h
+@@ -244,6 +244,7 @@ struct ieee80211_bss_conf {
+ u16 assoc_capability;
+ u64 timestamp;
+ u32 basic_rates;
++ u32 mcast_rate;
+ u16 ht_operation_mode;
+ s32 cqm_rssi_thold;
+ u32 cqm_rssi_hyst;
+@@ -2644,7 +2645,7 @@ enum rate_control_changed {
+ * @rate_idx_mask: user-requested rate mask (not MCS for now)
+ * @skb: the skb that will be transmitted, the control information in it needs
+ * to be filled in
+- * @ap: whether this frame is sent out in AP mode
++ * @bss: whether this frame is sent out in AP or IBSS mode
+ */
+ struct ieee80211_tx_rate_control {
+ struct ieee80211_hw *hw;
+@@ -2655,7 +2656,7 @@ struct ieee80211_tx_rate_control {
+ bool rts, short_preamble;
+ u8 max_rate_idx;
+ u32 rate_idx_mask;
+- bool ap;
++ bool bss;
+ };
+
+ struct rate_control_ops {
+--- a/net/mac80211/rate.c
++++ b/net/mac80211/rate.c
+@@ -210,10 +210,20 @@ static bool rc_no_data_or_no_ack(struct
+ return ((info->flags & IEEE80211_TX_CTL_NO_ACK) || !ieee80211_is_data(fc));
+ }
+
+-static void rc_send_low_broadcast(s8 *idx, u32 basic_rates, u8 max_rate_idx)
++static void rc_send_low_broadcast(s8 *idx, u32 basic_rates, u32 mcast_rate,
++ struct ieee80211_supported_band *sband)
+ {
+ u8 i;
+
++ if (mcast_rate) {
++ for (i = 0; i < sband->n_bitrates; i++) {
++ if (sband->bitrates[i].bitrate == mcast_rate) {
++ *idx = i;
++ return;
++ }
++ }
++ }
++
+ if (basic_rates == 0)
+ return; /* assume basic rates unknown and accept rate */
+ if (*idx < 0)
+@@ -221,7 +231,7 @@ static void rc_send_low_broadcast(s8 *id
+ if (basic_rates & (1 << *idx))
+ return; /* selected rate is a basic rate */
+
+- for (i = *idx + 1; i <= max_rate_idx; i++) {
++ for (i = *idx + 1; i <= sband->n_bitrates; i++) {
+ if (basic_rates & (1 << i)) {
+ *idx = i;
+ return;
+@@ -242,10 +252,11 @@ bool rate_control_send_low(struct ieee80
+ info->control.rates[0].count =
+ (info->flags & IEEE80211_TX_CTL_NO_ACK) ?
+ 1 : txrc->hw->max_rate_tries;
+- if (!sta && txrc->ap)
++ if (!sta && txrc->bss)
+ rc_send_low_broadcast(&info->control.rates[0].idx,
+ txrc->bss_conf->basic_rates,
+- txrc->sband->n_bitrates);
++ txrc->bss_conf->mcast_rate,
++ txrc->sband);
+ return true;
+ }
+ return false;
+--- a/net/mac80211/tx.c
++++ b/net/mac80211/tx.c
+@@ -622,7 +622,8 @@ ieee80211_tx_h_rate_ctrl(struct ieee8021
+ txrc.max_rate_idx = -1;
+ else
+ txrc.max_rate_idx = fls(txrc.rate_idx_mask) - 1;
+- txrc.ap = tx->sdata->vif.type == NL80211_IFTYPE_AP;
++ txrc.bss = (tx->sdata->vif.type == NL80211_IFTYPE_AP ||
++ tx->sdata->vif.type == NL80211_IFTYPE_ADHOC);
+
+ /* set up RTS protection if desired */
+ if (len > tx->local->hw.wiphy->rts_threshold) {
+@@ -2312,7 +2313,7 @@ struct sk_buff *ieee80211_beacon_get_tim
+ txrc.max_rate_idx = -1;
+ else
+ txrc.max_rate_idx = fls(txrc.rate_idx_mask) - 1;
+- txrc.ap = true;
++ txrc.bss = true;
+ rate_control_get_rate(sdata, NULL, &txrc);
+
+ info->control.vif = vif;